What we know about the measurement:

Jamo Concert 8 is a passive bookshelves that cost around 2500 USD for a pair.

  • Quality of the measurement data is low.
  • Origin of the data is Misc.
  • Format of the data is a set of 36 horizontal and 36 vertical measurements .
  • -3dB (resp. -6db) point v.s. reference is at 52.6Hz (resp. 46.2Hz).
  • Reference level is normalised to -0.2dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.0dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 5.47 and would be 7.67 with a perfect subwoofer.
      • Details: NBD: ON 0.317, LW 0.294, SP 0.294, PIR 0.277; SM: SP0.875, PIR0.695; LFQ 1.574, LFX 46Hz
    • Tonality (Preference) Score is 6.79 with an EQ and would be 8.72 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.251, LW 0.198, SP 0.246, PIR 0.189; SM: SP0.959, PIR0.959; LFQ 1.574, LFX 40Hz
  • Link to original Review: asr review. .
  • Vendor specifications:
    • Sensitivity 91 dB
    • Impedance 4 Ohm
    • Size
      • Width 245mm
      • Height 380mm
      • Depth 310mm
    • Weight 13.0kg
Jamo Concert 8
AutomaticEQ (IIR)
Set preamp gain to: -3.1dB.
Type Freq Q Gain
PK 41.0 1.91 2.99
PK 190.0 0.81 1.72
PK 522.0 2.99 1.32
PK 1121.0 2.96 -1.36
PK 3068.0 2.97 -1.36
PK 7059.0 1.53 -2.52
PK 12736.0 2.45 -2.0
Download
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
Jamo Concert 8
AutomaticEQ LW (IIR)
Set preamp gain to: -2.2dB.
Type Freq Q Gain
PK 49.0 3.0 2.08
PK 113.0 2.92 1.02
PK 178.0 1.74 1.49
PK 289.0 1.97 1.1
PK 504.0 3.0 1.24
PK 4818.0 2.33 2.16
PK 6585.0 2.97 -1.2
Download
This EQ optimise for a flat listening window and is a good start for near field listening like on your desk.
Improvement made by adding the above EQ
EQ
AutoEQ
Target v.s. EQ
Target v.s. EQ
Histogram of errors
On Axis (fullrange)
Listening Window (fullrange)
Predicted In-Room Response (fullrange)
Jamo Concert 8: comparison between EQs
AutomaticEQ
Target v.s. EQ
Comparison betweens various EQs
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